.subtitle {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: #ff6b6b;
}

.btn-primary:hover {
    background: #ff5252;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    padding: 0;
    overflow: hidden;
    transform: scale(0.8);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 25px 30px 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.modal-body {
    padding: 25px 30px;
    color: #555;
    line-height: 1.6;
}

.modal-footer {
    padding: 15px 30px 25px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.modal-btn-cancel {
    background: #f5f5f5;
    color: #666;
}

.modal-btn-cancel:hover {
    background: #eaeaea;
}

.modal-btn-confirm {
    background: #4dabf7;
    color: white;
}

.modal-btn-confirm:hover {
    background: #339af0;
}


/* 响应式调整 */
@media (max-width: 600px) {
    .modal {
        width: 95%;
    }
    
    .modal-header, .modal-body, .modal-footer {
        padding: 20px;
    }
    
    .button-group {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}